Search Results - mechanical and manufacturing

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  1. Wearability opens up a whole new world of opportunities in haptic systems for novel communication forms and interactions with the external environment. Wearable fingertip haptic systems are particularly interesting as they offer a natural interface to one of the most fundamental senses, touch. There are several types of cutaneous fingertip devices ...
    Published: 6/28/2017
  2. The aerospace industry is constantly developing testing techniques to improve efficiency, and reduce cost. One dilemma with current testing techniques on aircraft is the inability to accurately detect surface and subsurface defects. These defects are often caused by service induced cracks that can be a result of fatigue or stress corrosion. Additio...
    Published: 5/16/2017
    Category(s): Physical Science
  3. Silicon heterojunction (SHJ) technology can provide high solar cell efficiency and low cost in high volume manufacturing. Transparent conductive oxides (TCOs), a component in SHJ cells, can help achieve good conductivity and electrical contact with metals for transferring current. However, optimizing TCO layers in SHJ solar cells requires a tradeof...
    Published: 1/24/2017
    Inventor(s): Stanislau Herasimenka
  4. Low work function electrodes have the potential to advance and enable technologies that rely on electron transfer, such as electron sources utilizing thermionic electron emitters. Conventional electron sources based on metallic cathodes operate at temperatures exceeding 1000°C. Lowering the operating temperature would lead to a simpler design, ...
    Published: 1/14/2017
  5. Spatial changes during building construction usually manifest as deviations between the as-designed model and the as-built conditions. These deviations can lead to errors that result in delays and additional costs. Project engineers often spend significant time, money, and resources to manually track and analyze changes between the as-designed mode...
    Published: 12/24/2016
  6. Functional coatings are essential to the development of next generation products in the textile, display, automotive, energy, and health care industries. While the performance of nanomaterial coatings is widely successful in the lab, there is no general method to form these coatings at a larger scale. Current attempts lack precision, scalability, a...
    Published: 12/12/2016
    Inventor(s): Zachary Holman, Peter Firth
  7. Complex 3D printed parts often require supports during the 3D printing process. While dissolvable supports are common in 3D printing for plastics, supports for metals and oxides have many limitations. Traditional, monolithic metal 3D printed supports often need to be machined off. This process is expensive and restricts part design, as the supports...
    Published: 10/31/2016
  8. Dissolvable supports are common in plastic 3D printing and dramatically simplify the cleanup process for plastic parts. However, this capability has not been extended to metal 3D printing, and metal 3D printed supports must be machined off. The increased costs of the process are sometimes more expensive than subtractive manufacturing and can exceed...
    Published: 10/31/2016
  9. Support structures are commonly used in metal 3D printing as a way to brace and fortify parts during the 3D printing process. In the traditional, monolithic supports strategies, the supports are made from the same material as the part, and subsequent machining operations are needed to remove the supports from the part. These supports inherently lim...
    Published: 10/31/2016
  10. Even though additive manufacturing and 3D printing have existed for more than two decades, there are still opportunities for improvement. Dissolvable supports are common in 3D plastic printing and dramatically simplify the cleanup process. However, the use of dissolvable supports has not been extended to 3D metal printing. Traditionally in 3D metal...
    Published: 10/31/2016

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